Commelina

Tuberous perennial noted for its small but vivid, true-blue flowers in summer and autumn. Grow in a warm, sheltered spot in sun or part shade, in well-drained soil. The tubers are best planted en-masse for impact and can either be left in situ over winter with a deep protective mulch or, in colder areas, lifted and stored frost free. Height 20-40" (0.5-1m) Pack of 10 for £3.00 Pack of 30 for...